cameroon gce ordinary level 2020 chemistry 2

cameroon gce ordinary level 2020 chemistry 2

cameroon gce ordinary level 2020 chemistry 2

The elements sodium ( Na), Lithium (Li), Potassium ( K) and Caesium (Cs) arc found in Group I of the Periodic
Table
.
(a) (i) State the common name given to this group of elements
( 1 mark)
(ii) Why arc the elements placed in the same group?
1
( b) ( i ) I low are they stored in the Laboratory?
Isf .u K
i 1
( ii) (Explain
(2 marks)
(c) ( i ) Arrange the elements in order of reactivity starting with the least reactive
(1 mark)
(ii) State one similarity in the reactivity of Sodium and Potassium with wate

PDF is loading please wait...


5 comments on “cameroon gce ordinary level 2020 chemistry 2

Leave a comment

Your email address will not be published. Required fields are marked *

Download our application
kawlo
sponsors Ads